146457132145 has 4 divisors (see below), whose sum is σ = 175748558580. Its totient is φ = 117165705712.

The previous prime is 146457132103. The next prime is 146457132167. The reversal of 146457132145 is 541231754641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541231754641 = 311 ⋅1740295031.

It can be written as a sum of positive squares in 2 ways, for example, as 86866951824 + 59590180321 = 294732^2 + 244111^2 .

It is a cyclic number.

It is not a de Polignac number, because 146457132145 - 2¹⁵ = 146457099377 is a prime.

It is a super-2 number, since 2×146457132145² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14645713210 + ... + 14645713219.

It is an arithmetic number, because the mean of its divisors is an integer number (43937139645).

Almost surely, 2^146457132145 is an apocalyptic number.

It is an amenable number.

146457132145 is a deficient number, since it is larger than the sum of its proper divisors (29291426435).

146457132145 is an equidigital number, since it uses as much as digits as its factorization.

146457132145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29291426434.

The product of its digits is 403200, while the sum is 43.

Adding to 146457132145 its reverse (541231754641), we get a palindrome (687688886786).

The spelling of 146457132145 in words is "one hundred forty-six billion, four hundred fifty-seven million, one hundred thirty-two thousand, one hundred forty-five".